. >>> final preparations are under way for the big showdown, the first debate between president obama and republican challenger mitt romney. the candidates will spend today getting ready for tomorrow's event in colorado. the president held no rallies yesterday but he did visit a campaign office in henderson, nevada. it's not far from where he and his staff have been strategizing. romney spoke to a crowd of supporters at an air and space museum in denver. >> this president is taking us on a path that's not working. he is making us more and more like europe. i don't want to be like europe. europe doesn't work in europe. >> at the university of denver crews are putting on the final touches, transforming the arena into a debate set. yesterday just 92 of the university's students learned their names were drawn in a lottery for tickets to the debate. it's a hot ticket. your ticket to the debate is right here on cbs 5. that's beginning tomorrow evening at 6:00. >>> nearly all americans will see higher taxes if congress fails to renew tax cuts. that's all according to a new report from the ta